the 4th list of vocabulary
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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balanced forces | two or more forces whose effects cancel each other out and do not change the motion of the object.
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Center of mass | point in an object that moves as if all of the object's mass were concentrated at that point.
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Force | a push or pull
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Friction | force that acts to oppose sliding in between two surfaces that are touching.
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Net force | combination of all forces acting on an object
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Newton's 1st law | states that if the net force acting on an object is zero, the object will remain at rest o move in a straight line with constant speed.
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Newton's 2nd law | states that an object acted upon by a net force will accelerate in the direction of the force, and that the acceleration equals the net force divided by the object's mass.
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Newton's 3rd Law | states that forces always act in equal but opposite pairs
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Unbalanced Forces | two or more forces acting on an object that do not cancel, and causes the object to accelerate.
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weight | gravitational force between an object and Earth.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
asalvatierra
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